Home / 7,404.20-11,106.30-5,751.80

Finding the Fourth Proportional to 7,404.20, 11,106.30 and 5,751.80

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Solution

The fourth proportional to 7,404.20, 11,106.30 and 5,751.80 is: 8,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.20 : 11,106.30 = 5,751.80 : x
  2. Step 2: Convert to fraction form
    7,404.20/11,106.30 = 5,751.80/x
  3. Step 3: Cross multiply
    7,404.20x = 11,106.30 × 5,751.80
  4. Step 4: Simplify right side
    7,404.20x = 63,881,216.34
  5. Step 5: Solve for x
    x = 63,881,216.34/7,404.20
  6. Step 6: Final answer
    x = 8,627.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.